Built energy conglomerate Perez Companc and sold it to Brazilian energy giant Petrobras for $1 billion in 2002. Now works to wring energy out of vegetables. Food and farming concern Molinos Rio de la Plata, of which he owns a controlling stake, operates massive soybean-crushing plant in the northeastern province of Santa Fe. Argentina's answer to Kraft also deals in pasta, flour and frozen foods. Plus churns ice cream for wife Maria Carmen's ice cream parlor chain, Munchi's.